Maytag HRE21250PC manuale d’uso

FOR POT ABLE W A TER HEA TING ONL Y NOT SUIT ABLE FOR SP ACE HEA TING Caution: Read and Follow All Safety Rules and Operating Instructions Before First Use of This Product. Save this Manual for Future Reference. W ARNING READ THE GENERAL SAFETY SECTION BEGINNING ON INSIDE COVER AND THEN THIS ENTIRE MANUAL BEFORE INST ALLING OR OPERA TING THIS W A T[...]

2 W ARNING At the time of manufacture this water heater was pr o- vided with a combination temperature-pr essures relief valve certified by a nationally recognized testing labo- ratory that maintains periodic inspection of production of listed equipment or materials, as meeting the r equirements for Relief V alves and Automatic Gas Shutoff Devices [...]

CAUTION WA TER HEA TERS EVENTUALL Y LEAK: Installation of the water heater must be accomplished in such a manner that if the tank or any connections should leak, the flow of water will not cause damage to the structure. For this r eason, it is not advisable to install the water heater in an attic or upper floor . When such locations cannot be avoid[...]

Sa fe ty Instructions ..........................................................................................................................................2, 3 T able of Contents .................................................................................................................................................4 Customer Informatio[...]

*Wir ing size based on standard 60°C copper wire. If distance from fuse box to water heater is more than 90 feet, refer to your local electrical code. 5 Customer Information Pr oduct Specifications T hank Y ou for purchasing a Maytag water heater . Pr oper ly installed and maintained, it should give you years of trouble free service. It is strongl[...]

6 EXP ANSION T ANKS FOR THERMAL EXP ANSION CONDITIONS A V AILABLE IN 2 GALLON (P ART NUMBER 66001013) AND 5 GALLON (P ART NUMBER 66001014) CAP ACITY Accessories and T ools Needed Accessories To simplify the installation May tag has available the installa- tion parts shown below . Y ou may or may not need all of these accessories depending on your t[...]

7 Installation Instructions Attach a hose to the water heater drain valve and put the other end in a floor drain or outdoors. Open the water heater drain valve. Open a near by hot water faucet which will relieve pressure in the water heater and speed draining. Check again to make sure the electrical suppl y is turned “OFF ” to the water heater [...]

8 Instructions for Installation (cont’d) Locating The New W ater Heater Y ou should carefully c hoose an indoor location for the new water heater , bec ause the placement is a ver y impor tant con- sideration for the safet y of the occupants in the building and for the most economical use of the appliance. This water heater is not intended for ou[...]

9 Instructions for Installation (cont’d) NOTE: W hether or not the element conversion is made the model rating plate must be marked. U sing a hard point ink pen, check the appropr iate block within the model rating plate, which is located adjacent to the lower access panel. The Convertible Lower Element The Upper Element, is a conventional 3800 w[...]

10 TEMPERA TURE- PRESSURE RELIEF VA LV E COLD INLET WA TER LINE HOT OUTLET TO HOUSE THREADED TO SWEA T COUPLING 3/4 ″ THREADED NIPPLE 3/4 ″ THREADED NIPPLE FLOOR DRAIN DISCHARGE PIPE (Do not cap or plug) THREADED TO SWEA T COUPLING 6 ″ AIR GAP HOT COLD SHUT -OFF VA LV E W ater Piping Instructions for Installation (cont’d) *See illustr ation[...]

COLD HOT 11 TEMPERA TURE- PRESSURE RELIEF V AL VE FLOOR DRAIN 6 ″ AIR GAP DISCHARGE PIPE (Do not cap or plug) SHUT -OFF VA LV E CONDUIT HOT COLD WARNING “RELIEF V AL VE OPENING” This water heater is provided with a combination Temperature-Pressure Relief Valve listed as complying with the standard for Relief Valves and Automatic Gas Shutoff D[...]

12 Instructions for Installation (cont’d) Filling the W ater Heater To fill the water heater with water: 1. Close the water heater drain valve by turning the hand le to the right (c lockwise). The drain val ve is on the lower front of the water heater . 2. Open the cold water supply valve to the water heater . NOTE: T he cold water supply val ve [...]

7. Tighten ter minals 2 and 3 to ensure proper electrical con- nection. W ARNING Failure to tighten terminal scr ews can cause a fire which can result in DEA TH, SERIOUS BODIL Y INJURY , OR PROPERTY DAMAGE. 13 Instructions for Installation (cont’d) 2. The convertible element is located behind the lower access panel of the water heater . Remove th[...]

14 Instructions for Installation (cont’d) 8. Press the insulation pad back in place so that it completely covers the thermister and element. 9. Replace the access panel. 10. Complete wir ing to the water heater , or if completed, turn “ON” electr ic power to the water heater af ter filling the tank with water . Converting the Lower Element (c[...]

15 Instructions for Installation (cont’d) LOWER HEA TING ELEMENT FOR 5500 W A TTS BUSS BAR RED BLACK BLUE BLACK TO ELECTRIC POWER SUPPL Y UPPER HEA TING ELEMENT PROGRAMMABLE CONTROL UNIT Wiring Diagram ST ANDARD WIRING FOR 2 WIRE LEAD W A TER HEA TERS NON-SIMUL T ANEOUS OPERA TION 240 VOL T DOUBLE ELEMENT BLACK RED UPPER THERMISTOR LOWER THERMIST[...]

Wiring 16 Instructions for Installation (cont’d) GREEN GROUND SCREW CONDUIT WIRE NUTS 1. Pr ovide a way to easily shut off the electric power when working on the water heater . This could be with a circuit breaker or fuse block in the entrance box or a separate dis- connect switch. 2. Install and connect a circuit directly from the main fuse or c[...]

17 Selecting Thermostat Location 1. The programmable thermostat control module is shipped attached to the front of the water heater , located behind the hinged cover panel. If this thermostat location is acceptable to the homeowner , proceed directly to the “Installation Checklist ” on page 22 and then to “ T emperature Regulation ” on page[...]

18 Instructions for Installation (cont’d) 10. Carefully disconnect wir ing har ness ter minal connector from back of ther mostat. 11. Remove the wall plate from the water heater by unscrewing the two mounting screws. The wall plate will be installed at the selected location in S teps 28 and 29. 12. L oosen each screw in the terminal connector and[...]

19 19. Str ip the thermostat cable outer insulation bac k 1 1 ⁄ 4 inches. Str ip the ends 1 ⁄ 4 inch on each of the six colored wir es. 20. A second terminal connector is provided in a small bag con- tained within the large plastic manual envelope attached to the side of the water heater . L oosen each screw in the ter mi- nal connector . Inser[...]

Selecting Thermostat Location (cont’d) 20 22. Guide the end of the remote thermostat cable through the hole where the black plug was removed in the left junction box cover . 24. L oosen each screw in the terminal connector one at a time and insert wire with the same color insulation into eac h numbered slot . Tighten each screw securely making su[...]

21 31. Using the terminal connector removed in Step 12, insert the six colored insulated wires in the r emote ther mostat cable into the numbered slots in the terminal connector and tight- en each screw to secure each wire. Be sure to arrange wires in e xact color sequence as shown. 32. Carefully plug the wired terminal connector to the mating pins[...]

MODEL RA TING PLA TE FLOOR DRAIN DISCHARGE PIPE (Do not cap or plug) 6 ″ AIR GAP HOT 22 COLD TEMPERA TURE- PRESSURE RELIEF V AL VE CONDUIT HOT COLD Installation Checklist 1. W hether or not the element conversion is made, the model rating plate must be marked. Using a hard point ink pen, check the appropriate bloc k within the model rat- ing plat[...]

23 Instructions for Operation VER Y LOW – The thermostat minimum setbac k tempera- ture is 60°F . HOT– A thermostat setting of 120°F will supply hot water at the most economical temperatures. VER Y HOT– The thermostat maximum temperature is 160°F . It is recommended that the tempera- ture be set lower whenever possible. NOTE: W ater temper[...]

Pr ogramming the Thermostat (cont‘d) 24 MANU AL MODE The most basic operation of the Intelligent water heater ther- mostat is the Manual Mode . With this mode the ther mostat is set at a desired temperature and the water heater operates to maintain that temperature. The Intelligent Maytag water heater utilizes a special sensing de vice in the con[...]

25 ER ASE is the option that c an delete all the settings that had been programmed previously . W hile in the programmable mode, depressing the “E RAS E” button will delete a par ticular time period that is on display . Depressing and holding the “E RA SE” button down for several seconds will erase all the set- tings for an entire week. T h[...]

26 The third optional mode (3) setting involves the default tem- perature set point for the control. T o be in this mode, depress the up ( ) arrow or the down ( ) arrow until a large number 3 appears in the lower right-hand corner . The default temperature from the factor y is 120°F . This will appear in the upper-lef t hand corner as 0120. T o ch[...]

Draining The water heater should be drained if being shut down during freezing temperatures. Also periodic draining and cleaning of sediment from the tank may be necessar y . 1. Before beginning turn “OFF ” the electr ic power supply to the water heater . 2. CLOSE the cold water inlet valve to the water heater . 3. OP E N a nearby hot water fau[...]

28 Service and Maintenance (cont’d) Element Cleaning/ Replacement 2. T urn off the water suppl y to the water heater at the water shutoff valve or water meter . W ARNING HAZARD OF ELECTRICAL SHOCK! Before r emoving any access panels or servicing the water heater , make sure the electrical supply to the water heater is turned “OFF”. Failure to[...]

10. A new gasket should be used in all cases to prev ent a pos- sible water leak. (See Element Gasket in the Repair Parts Chart). P lace the new element gasket on the thread side of the cleaned or ne w element and screw into tank, secur- ing tightly using an element wrench. 11. Close the water heater drain val ve by turning the hand le to the right[...]

30 Service and Maintenance (cont’d) 15. Reconnect the two wires to the element and then chec k to make sure the high limit remains firmly against the surface of the tank. 16. Upper High Limit Only - Replace terminal cover on high limit making sure that the locking tabs on the ter- minal cover are in place. 17. Press the insulation pad back in pla[...]

31 Drain V alve W asher Replacement NOTE: F or replacement, use a 17 ⁄ 32 ″ x 13 ⁄ 64 ″ x 1 ⁄ 8 ″ thick washer available at your nearest hardware store. F or order ing a replacement washer , refer to the “ Repair P ar ts” section. 1. Before beginning turn “OFF ” the electrical power supply to the water heater . 2. Fo ll ow “D [...]

32 Start Up Conditions THERMAL EXP ANSION W ater supply systems may , bec ause of such events as high line pressure , frequent cut-off s, the effects of water hammer among others, have installed devices such as pressure reducing valves, check val ves, back flow preventers, etc...to control these types of problems. W hen these devices are not equipp[...]

33 5. Press the insulation pad back in place so that it completely covers the high limit and element. 6. Replace the upper access panel. 7. T urn “ON” electric power to the water heater . RESET BUTTON Tr oubleshooting (cont’d) CAUTION If the high limit must be reset again, call Maytag Customer Service at 1-800-788-8899 for an autho- rized ser[...]

34 Tr oubleshooting (cont’d) CAUTION This will not discontinue power from the water heater . THERMOST A T DIAGNOSTICS The programmable thermostat will use the upper and lower temperature sensors (thermistors) to determine when either the upper or lower heating element is not functioning. It can also detect a faulty temperature sensor . The thermo[...]

E H G F A D C A Tr oubleshooting (cont’d) A B C D E F G H *NOTE: T o chec k where threaded portion enters tank, insert cotton swab bet ween jacket opening and fitting. If cotton is wet, follow “Draining ” instr uctions in the “Ser vice and Maintenance ” section and then remove fit- ting. Put pipe dope or teflon tape on the threads and rep[...]

36 Notes[...]

37 MA YT AG/ST A TE PA RT NUMBER CONVERSION KEY MA YT AG ST A TE 66001010 9002403 66001011 9001609 66001012 9001608 66001013 ETC2X 66001014 ETC5X 66001021 9001584 66001053 9000308 66001054 9000309 66001055 9001591 66001056 9002439 66001061 9002408 66001068 9001453 66001105 9002769 66001106 9000225 66001107 9000396 66001353 9003034 66001354 9003035 [...]

MA YT AG ELECTRIC WA TER HEA TERS MODEL NUMBERS HRE21250PC 50 GALLON HRE21282PC 80 GALLON 2 3 4 9 5 6 7 8 11 10 13 19 18 17 16 12 15 14 20 1 38 21 Repair Parts List (cont’d) NOTE: UPPER EL EME N T : T hese water heaters are equipped with 3800 watt elements. LO WER EL EME N T : T hese water heaters are equipped with factor y installed conver tible[...]

*Also available at most hardware stores. #Not Illustrated No w that you have purchased this water heater , should a need ever exist for repair parts or ser vice, simply call May tag Customer Ser vice at 1-800-788-8899 for an authoriz ed ser- vicer . Be sure to provide all pertinent facts when you cal l or visit. The model number of the water heater[...]

Wa rranty FU LL ONE YEAR W ARRANT Y F or One Y ear from the date of Original Retail Purchase, any part whic h fails in normal home use will be repaired or r eplaced free of charge. If a leak occurs in the T ank, a new water heater of the c losest capacit y and quality then available, will be replaced free of charge. The warranty of the replacement [...]